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Influence of Quantum Interference on the Thermoelectric Properties of Molecular Junctions

Influence of Quantum Interference on the Thermoelectric Properties of Molecular Junctions

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MIAO, Ruijiao, Hailiang XU, Maxim SKRIPNIK, Longji CUI, Kun WANG, Kim G. L. PEDERSEN, Fabian PAULY, Edgar MEYHOFER, Pramod REDDY, Heiner LINKE, 2018. Influence of Quantum Interference on the Thermoelectric Properties of Molecular Junctions. In: Nano letters. 18(9), pp. 5666-5672. ISSN 1530-6984. eISSN 1530-6992. Available under: doi: 10.1021/acs.nanolett.8b02207

@article{Miao2018-09-12Influ-43127, title={Influence of Quantum Interference on the Thermoelectric Properties of Molecular Junctions}, year={2018}, doi={10.1021/acs.nanolett.8b02207}, number={9}, volume={18}, issn={1530-6984}, journal={Nano letters}, pages={5666--5672}, author={Miao, Ruijiao and Xu, Hailiang and Skripnik, Maxim and Cui, Longji and Wang, Kun and Pedersen, Kim G. L. and Pauly, Fabian and Meyhofer, Edgar and Reddy, Pramod and Linke, Heiner} }

<rdf:RDF xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dspace="http://digital-repositories.org/ontologies/dspace/0.1.0#" xmlns:foaf="http://xmlns.com/foaf/0.1/" xmlns:void="http://rdfs.org/ns/void#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/43127"> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-08-28T08:23:50Z</dc:date> <dc:creator>Miao, Ruijiao</dc:creator> <dc:creator>Linke, Heiner</dc:creator> <dc:language>eng</dc:language> <dcterms:issued>2018-09-12</dcterms:issued> <dc:contributor>Linke, Heiner</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2018-08-28T08:23:50Z</dcterms:available> <dcterms:abstract xml:lang="eng">Molecular junctions offer unique opportunities for controlling charge transport on the atomic scale and for studying energy conversion. For example, quantum interference effects in molecular junctions have been proposed as an avenue for highly efficient thermoelectric power conversion at room temperature. Toward this goal, we investigated the effect of quantum interference on the thermoelectric properties of molecular junctions. Specifically, we employed oligo(phenylene ethynylene) (OPE) derivatives with a para-connected central phenyl ring ( para-OPE3) and meta-connected central ring ( meta-OPE3), which both covalently bind to gold via sulfur anchoring atoms located at their ends. In agreement with predictions from ab initio modeling, our experiments on both single molecules and monolayers show that meta-OPE3 junctions, which are expected to exhibit destructive interference effects, yield a higher thermopower (with ∼20 μV/K) compared with para-OPE3 (with ∼10 μV/K). Our results show that quantum interference effects can indeed be employed to enhance the thermoelectric properties of molecular junctions.</dcterms:abstract> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/43127"/> <dc:creator>Pedersen, Kim G. L.</dc:creator> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <dc:contributor>Meyhofer, Edgar</dc:contributor> <dc:contributor>Skripnik, Maxim</dc:contributor> <dc:contributor>Xu, Hailiang</dc:contributor> <dspace:isPartOfCollection rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dc:creator>Reddy, Pramod</dc:creator> <dc:contributor>Wang, Kun</dc:contributor> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dc:creator>Pauly, Fabian</dc:creator> <dcterms:isPartOf rdf:resource="https://kops.uni-konstanz.de/rdf/resource/123456789/41"/> <dcterms:title>Influence of Quantum Interference on the Thermoelectric Properties of Molecular Junctions</dcterms:title> <dc:creator>Wang, Kun</dc:creator> <dc:creator>Xu, Hailiang</dc:creator> <dc:creator>Meyhofer, Edgar</dc:creator> <dc:contributor>Pedersen, Kim G. L.</dc:contributor> <dc:contributor>Pauly, Fabian</dc:contributor> <dc:contributor>Miao, Ruijiao</dc:contributor> <dc:creator>Cui, Longji</dc:creator> <dc:contributor>Cui, Longji</dc:contributor> <dc:creator>Skripnik, Maxim</dc:creator> <dc:contributor>Reddy, Pramod</dc:contributor> </rdf:Description> </rdf:RDF>

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